Toba frankincense (Styrax paralleloneurum) is synonymous with Styrax sumatranus. While, Siam Frankincense (Styrax Tokinensis) is synonymous with Anthostyrax Tonkinensis; Styrax hypoglaucus Perkins; Styrax macrothyrsus Perkins; and Styrax subniveus.
In traditional Chinese medicine, frankincense is used to treat skin and digestive problems. While in India, frankincense is used to treat arthritis. The research laboratories in the United States have support the efficacy of frankincense as the arthritis drug.
One study that published in the International Journal of Food Safety, Nutrition and Public Health, found that the researchers gave frankincense albino rodents and found that bad cholesterol was down and good cholesterol levels increased.